2 # Kernel configuration for Freescale i.MX6 systems.
4 # For more information on this file, please read the config(5) manual page,
5 # and/or the handbook section on Kernel Configuration Files:
7 # http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
9 # The handbook is also available locally in /usr/share/doc/handbook
10 # if you've installed the doc distribution, otherwise always see the
11 # FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the
14 # An exhaustive list of options and more detailed explanations of the
15 # device lines is also present in the ../../conf/NOTES and NOTES files.
16 # If you are in doubt as to the purpose or necessity of a line, check first
23 include "../freescale/imx/std.imx6"
29 options HZ=500 # Scheduling quantum is 2 milliseconds.
30 options SCHED_ULE # ULE scheduler
31 #options NFSD # Network Filesystem Server
32 options INCLUDE_CONFIG_FILE # Include this file in kernel
34 options SMP # Enable multiple cores
36 # Debugging for use in -current
37 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
38 options KDB # Enable kernel debugger support
39 # For minimum debugger support (stable branch) use:
40 #options KDB_TRACE # Print a stack trace for a panic
41 # For full debugger support use this instead:
42 options DDB # Enable the kernel debugger
43 #options GDB # Support remote GDB.
44 # Other debugging options...
45 options ALT_BREAK_TO_DEBUGGER # Use <CR><tilde><ctrl-b> to enter debugger.
46 #options DEADLKRES # Enable the deadlock resolver
47 #options INVARIANTS # Enable calls of extra sanity checking
48 #options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
49 #options WITNESS # Enable checks to detect deadlocks and cycles
50 #options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
53 # NFS root from boopt/dhcp
55 #options BOOTP_NFSROOT
58 #options BOOTP_WIRED_TO=ffec0
60 # U-Boot stuff lives on slice 1, FreeBSD on slice 2.
61 options ROOTDEVNAME=\"ufs:mmcsd0s2a\"
63 # Interrupt controller
66 device pl310 # PL310 L2 cache controller
71 device loop # Network loopback
72 device random # Entropy device
73 device vlan # 802.1Q VLAN support
74 device tun # Packet tunnel.
75 device md # Memory "disks"
76 #device gif # IPv6 and IPv4 tunneling
77 #device firmware # firmware assist module
78 device ether # Ethernet support
79 device miibus # Required for ethernet
80 device bpf # Berkeley packet filter (required for DHCP)
82 # General-purpose input/output
86 device uart # Multi-uart driver
89 device sdhci # SD controller
90 device mmc # SD/MMC protocol
91 device mmcsd # SDCard disk device
94 device scbus # SCSI bus (required for ATA/SCSI)
95 device da # Direct Access (disks)
97 device pass # Passthrough device (direct ATA/SCSI access)
100 #options USB_DEBUG # enable debug msgs
101 device ehci # OHCI USB interface
102 device usb # USB Bus (required)
103 device umass # Disks/Mass storage - Requires scbus and da
104 device uhid # "Human Interface Devices"
105 device u3g # USB modems
106 #device ukbd # Allow keyboard like HIDs to control console
107 #device ums # USB mouse
109 # USB Ethernet, requires miibus
110 #device aue # ADMtek USB Ethernet
111 #device axe # ASIX Electronics USB Ethernet
112 #device cdce # Generic USB over Ethernet
113 #device cue # CATC USB Ethernet
114 #device kue # Kawasaki LSI USB Ethernet
115 #device rue # RealTek RTL8150 USB Ethernet
116 #device udav # Davicom DM9601E USB
119 #device rum # Ralink Technology RT2501USB wireless NICs
122 #device wlan # 802.11 support
123 #device wlan_wep # 802.11 WEP support
124 #device wlan_ccmp # 802.11 CCMP support
125 #device wlan_tkip # 802.11 TKIP support
126 #device wlan_amrr # AMRR transmit rate control algorithm
134 # Flattened Device Tree
135 options FDT # Configure using FDT/DTB data
136 makeoptions MODULES_EXTRA=dtb/imx6
138 # SoC-specific devices
139 device ffec # Freescale Fast Ethernet Controller
140 device fsliic # Freescale i2c/iic
141 device iic # iic protocol
142 device iicbus # iic bus
143 device imxwdt # Watchdog. WARNING: can't be disabled!!!